hi all ive got a 1.6 FSI sport a3 and every now and again when i start it there is a very strange rattle from the engine like the tappets or something i cringe every time it happens and it makes people look lol just wondering if its something i should be worryed about and change something soon as pos , and my mates 09 plate golf 1.4TSI makes the same noise cheers fran